We found 30 dictionaries that define the word altruistic:

General (24 matching dictionaries)

1. altruistic: Merriam-Webster
2. altruistic: Oxford Learner's Dictionaries
3. altruistic: Collins English Dictionary
4. altruistic: Vocabulary.com
5. Altruistic, altruistic: Wordnik
6. altruistic: Cambridge Advanced Learner's Dictionary
7. altruistic: Wiktionary
8. altruistic: Webster's New World College Dictionary, 4th Ed.
9. altruistic: The Wordsmyth English Dictionary-Thesaurus
10. altruistic: Infoplease Dictionary
11. Altruistic, altruistic: Dictionary.com
12. altruistic: Cambridge Essential American English Dictionary
13. Altruistic: Wikipedia, the Free Encyclopedia
14. Altruistic: Online Plain Text English Dictionary
15. altruistic: Webster's Revised Unabridged, 1913 Edition
16. altruistic: Rhymezone
17. Altruistic: AllWords.com Multi-Lingual Dictionary
18. altruistic: FreeDictionary.org
19. altruistic: Mnemonic Dictionary
20. altruistic: TheFreeDictionary.com
21. altruistic: Longman Dictionary of Contemporary English
22. altruistic: Merriam-Webster

Business (1 matching dictionary)

23. altruistic: Legal dictionary

Computing (1 matching dictionary)

24. altruistic: Encyclopedia

Medicine (2 matching dictionaries)

25. online medical dictionary (No longer online)
26. altruistic: Medical dictionary

Science (1 matching dictionary)

27. Glossary of Entomology (No longer online)

Slang (1 matching dictionary)

28. altruistic: Urban Dictionary

Definitions from Wiktionary ( ) ▸ adjective:  Regardful of others; beneficent; unselfish Similar: selfless, benevolent, beneficent, goodhearted, superbenevolent, charitable, generous, benefic, magnanimous, caritative, more... Opposite: selfish, self-centered, egocentric, narcissistic Phrases: altruistic behavior, Altruistic suicide, altruistic practice, altruistic person, opposite of altruistic, more... Colors:     sky blue,     soft pink,     lavender,     mint green,     peach, more... ▸ Words similar to altruistic ▸ Usage examples for altruistic ▸ Idioms related to altruistic ▸ Wikipedia articles (New!) ▸ Popular nouns described by altruistic ▸ Words that often appear near altruistic ▸ Rhymes of altruistic ▸ Invented words related to altruistic